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net-libs/ldns: skip definition of _Bool on C99 or newer

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glibc 2.43 introduced the C23 variadic assert implementation.
With _GNU_SOURCE, assert.h declares
extern _Bool __assert_single_arg(_Bool) even when compiling in
gnu17 mode. ldns later attempts to redefine _Bool for pre-C99
compatibility, causing build failures when compiling in c17 or
gnu17 mode with _GNU_SOURCE.

Closes: https://bugs.gentoo.org/980828
Signed-off-by: Z. Liu <zhixu.liu@gmail.com>
Part-of: https://codeberg.org/gentoo/gentoo/pulls/1661
Merges: https://codeberg.org/gentoo/gentoo/pulls/1661
Signed-off-by: Marc Schiffbauer <mschiff@gentoo.org>
This commit is contained in:
Z. Liu
2026-08-13 10:16:47 +08:00
committed by Marc Schiffbauer
parent ab24107069
commit bcf95ecec1
1 changed files with 9 additions and 0 deletions
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9
net-libs/ldns/files/ldns-1.9.0-std23-bool.patch
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@@ -16,3 +16,12 @@ From: Petr Menšík <pemensik@redhat.com>
#ifndef __bool_true_false_are_defined
# ifdef HAVE_STDBOOL_H
# include <stdbool.h>
@@ -47,6 +51,8 @@
# ifndef HAVE__BOOL
# ifdef __cplusplus
typedef bool _Bool;
+# elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+/* _Bool is a built-in keyword since C99; no macro definition needed. */
# else
# define _Bool signed char
# endif